Home / 143,632.76-198,205.61-82,375.79

Finding the Fourth Proportional to 143,632.76, 198,205.61 and 82,375.79

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Solution

The fourth proportional to 143,632.76, 198,205.61 and 82,375.79 is: 113,674.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,632.76 : 198,205.61 = 82,375.79 : x
  2. Step 2: Convert to fraction form
    143,632.76/198,205.61 = 82,375.79/x
  3. Step 3: Cross multiply
    143,632.76x = 198,205.61 × 82,375.79
  4. Step 4: Simplify right side
    143,632.76x = 16,327,342,303.27
  5. Step 5: Solve for x
    x = 16,327,342,303.27/143,632.76
  6. Step 6: Final answer
    x = 113,674.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.